A credit is a unit of usage. Each API call costs a certain number of credits depending on the endpoint. For example, Keiro indexed search costs 0.5 credits per query.

Yes, you can upgrade or downgrade at any time. Changes take effect at the start of your next billing cycle.

What happens when I run out of credits?

Your requests will be queued until your credits refresh at the start of the next billing cycle, or you can purchase additional credits on demand.

Is there a free tier?

Yes! Every account starts with 500 free credits on the Explorer plan. No credit card required.

How much cheaper is Keiro than Exa or Tavily?

Keiro is approximately 6x cheaper than Exa ($3/1K queries) and 8x cheaper than Tavily ($4/1K queries). Keiro charges 0.5 credits per query starting at $15/month for 5,000 credits.

Keiro API Pricing — AI Search API Plans

Keiro is the most cost-effective AI search API. 5-10x cheaper than Exa, Tavily, and Brave Search. Start free with 500 credits, no credit card required.

Pricing Plans

Plan	Price	Credits	Key Features
Explorer (Free)	$0	500 credits	All endpoints, 30 req/min, no credit card required
Essential	$15/month	5,000 credits/month	60 req/min, standard queue, 7-day log retention
Pro	$25/month	15,000 credits/month	300 req/min, priority queue 2x speed, 30-day logs, webhook integrations, 5% loyalty bonus
Startup	$50/month	50,000 credits/month	1,000 req/min, batch endpoint, dedicated account manager, SSO & SAML, 90-day logs, 10% loyalty bonus

API Endpoints & Credit Costs

Endpoint	Path	Credits	Latency	Description
Keiro (Indexed)	/keiro	0.5 cr	100ms–1s	Index-based search, auto-refreshes stale data
Fast	/search/fast	0.5 cr	~1s	Always-fresh multi-engine search
Flash	/search/flash	0.5 cr	~500ms	Lowest latency, built for autocomplete and type-ahead
Search + Content	/search/content	1.5 cr	~3s	Search + full page extraction, 3 modes: light, medium (RAG chunks), deep (markdown/embeddings)
Batch	/search/batch	0.5 cr/query	Async	Up to 10,000 queries per job, Startup tier and above

Competitor Pricing Comparison

Provider	Price per 1K queries	Endpoints	Content Extraction	Batch
Keiro	$0.50	5	Yes (3 modes)	Yes (10K/job)
Exa	$3.00	3	Basic	No
Tavily	$4.00	2	Basic	No
Brave Search	$1.00	2	No	No
SerpAPI	$2.50	10+	No	No

Frequently Asked Questions

What is a credit?: A credit is a unit of usage. Each API call costs a certain number of credits depending on the endpoint. For example, Keiro indexed search costs 0.5 credits per query.
Can I switch plans?: Yes, you can upgrade or downgrade at any time. Changes take effect at the start of your next billing cycle.
What happens when I run out of credits?: Your requests will be queued until your credits refresh at the start of the next billing cycle, or you can purchase additional credits on demand.
Is there a free tier?: Yes! Every account starts with 500 free credits on the Explorer plan. No credit card required.
How much cheaper is Keiro than Exa or Tavily?: Keiro is approximately 6x cheaper than Exa ($3/1K queries) and 8x cheaper than Tavily ($4/1K queries). At $25/month, Keiro Pro gives you 15,000 searches. Exa gives you 5,000. Tavily gives you 3,125.

API Base URL

https://kierolabs.space/api/v2

All endpoints use Bearer token authentication. Your v1 key works for v2. Public beta — 50% off credits for paid plan users.

org: keirolabs
url: https://keirolabs.cloud/pricing
type: Pricing Plans and Cost Model Specification
last_updated: 2026-05-21

---

billing_options:
  monthly: Standard billing cycle
  yearly: 17% discount applied (equivalent to 2 months free)

plans:
  - id: explorer
    name: Explorer
    cost_monthly: $0
    cost_yearly: $0
    queries_per_month: 500
    rate_limit: 30 req/min
    support: Community support
    overage: Hard stop (no overage)
    features:
      - All v3 endpoints included
      - No credit card required

  - id: essential
    name: Essential
    cost_monthly: $15
    cost_yearly: $150
    queries_per_month: 5000
    rate_limit: 60 req/min
    support: Email support (< 24h)
    overage: $0.0025 per query
    first_month_promo: $1
    features:
      - Standard queue priority
      - 7-day log retention
      - Drift & Remem tools included

  - id: pro
    name: Pro
    cost_monthly: $25
    cost_yearly: $250
    queries_per_month: 15000
    rate_limit: 300 req/min
    support: Priority support (< 4h)
    overage: $0.0014 per query
    loyalty_bonus: 5% extra credits monthly
    features:
      - Priority queue priority (2x)
      - 30-day log retention
      - Webhook integrations

  - id: startup
    name: Startup
    cost_monthly: $50
    cost_yearly: $500
    queries_per_month: 50000
    rate_limit: 1000 req/min
    support: Dedicated account manager
    overage: $0.0008 per query
    loyalty_bonus: 10% extra credits monthly
    features:
      - Priority infrastructure queue
      - 90-day log retention
      - Batch endpoint (unlimited, free)
      - SSO & SAML support

---

competitor_comparison_normalized_1k:
  keirolabs: $0.50
  exa: $7.00
  tavily: $8.00
  perplexity: $5.00+
  you: $5.00